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The influence of head-of-bed elevation in patients with obstructive sleep apnea.


ABSTRACT: PURPOSE:The purpose of this study is to test the effects of a mild degree of head-of-bed elevation (HOBE) (7.5°) on obstructive sleep apnea (OSA) severity and sleep quality. METHODS:OSA patients were recruited from a single sleep clinic (Criciúma, Santa Catarina, Brazil). Following a baseline polysomnography (PSG), all patients underwent a PSG with HOBE (within 2 weeks). In addition, a subset of patients performed a third PSG without HOBE. RESULTS:Fifty-two patients were included in the study (age 53.2 ± 9.1 years; BMI 29.6 ± 4.8 kg/m2, neck circumference 38.9 ± 3.8 cm, and Epworth Sleepiness Scale 15 ± 7). Compared to baseline, HOBE significantly decreased the apnea-hypopnea index (AHI) from 15.7 [11.3-22.5] to 10.7 [6.6-16.5] events/h; p < 0.001 and increased minimum oxygen saturation from 83.5 [77.5-87] to 87 [81-90]%; p = 0.003. The sleep architecture at baseline and HOBE were similar. However, sleep efficiency increased slightly but significantly with HOBE (87.2 [76.7-90.7] vs 88.8 [81.6-93.3]; p = 0.005). The AHI obtained at the third PSG without HOBE (n = 7) returned to baseline values. CONCLUSIONS:Mild HOBE significantly improves OSA severity without interfering in sleep architecture and therefore is a simple alternative treatment to ameliorate OSA.

SUBMITTER: Souza FJFB 

PROVIDER: S-EPMC5700252 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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The influence of head-of-bed elevation in patients with obstructive sleep apnea.

Souza Fábio José Fabrício de Barros FJFB   Genta Pedro Rodrigues PR   de Souza Filho Albino José AJ   Wellman Andrew A   Lorenzi-Filho Geraldo G  

Sleep & breathing = Schlaf & Atmung 20170624 4


<h4>Purpose</h4>The purpose of this study is to test the effects of a mild degree of head-of-bed elevation (HOBE) (7.5°) on obstructive sleep apnea (OSA) severity and sleep quality.<h4>Methods</h4>OSA patients were recruited from a single sleep clinic (Criciúma, Santa Catarina, Brazil). Following a baseline polysomnography (PSG), all patients underwent a PSG with HOBE (within 2 weeks). In addition, a subset of patients performed a third PSG without HOBE.<h4>Results</h4>Fifty-two patients were in  ...[more]

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